45243969 has 16 divisors (see below), whose sum is σ = 61461504. Its totient is φ = 29598800.

The previous prime is 45243949. The next prime is 45243971. The reversal of 45243969 is 96934254.

It is a cyclic number.

It is not a de Polignac number, because 45243969 - 2⁵ = 45243937 is a prime.

It is a super-2 number, since 2×45243969² = 4094033461745922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45243969.

It is not an unprimeable number, because it can be changed into a prime (45243949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65902 + ... + 66584.

It is an arithmetic number, because the mean of its divisors is an integer number (3841344).

Almost surely, 2^45243969 is an apocalyptic number.

It is an amenable number.

45243969 is a deficient number, since it is larger than the sum of its proper divisors (16217535).

45243969 is a wasteful number, since it uses less digits than its factorization.

45243969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068.

The product of its digits is 233280, while the sum is 42.

The square root of 45243969 is about 6726.3637278993. The cubic root of 45243969 is about 356.3309661462.

The spelling of 45243969 in words is "forty-five million, two hundred forty-three thousand, nine hundred sixty-nine".